Stockholm - Actress Liv Ullmann said yesterday filming would begin next week of a movie she is directing and which is written by her former lover, Swedish film director Ingmar Bergman. Ms Ullmann, who has acted in several Bergman films, described Trolosa, or The Faithless, as a mix of erotic elements and Alfred Hitchcock. The film, due to be released next year, follows events in the life of Bergman.